How to Avoid a Disaster

In classic railroad slang, a cornfield meat is typically when two locomotives run head on into each other in the middle of a cornfield. So basically those were ways that you could prevent disaster more or less in 1946 since then there have been modern technologies like positive train control which was pioneered in the 1920s. And we'll talk about later. Train runs red signal automatically throws it into emergency is basically the logic circuit for that. Imagine driving a car, you run a red light and automatically your car's computer slams on the brakes with a full brain application. All right. Next slide to do that should make that real fun. It's a stream liner. What are you saying like